[ardour-dev] Sanity check: is this possible?

[Paul Winkler]

On Mon, Feb 26, 2007 at 01:05:42AM -0800, Jim Osborn wrote:
> I've got some DVDs whose sound I'd like to clean up, and I'd like to
> ask this esteemed group whether what I'd like to do is even possible,
> and if it is, to get a sense of what kinds of processing are easy and
> what's not so easy.
> 
> Here's what I'd like to do:
> 
> 1: Cancel an annoying hum that exists throughout most of the DVD,
>    possibly caused by the camcorder itself.  Cancel other steady
>    noises like fans, wind, etc.


http://audacityteam.org/wiki/index.php?title=Noise_Removal

> 2: Cancel various episodic noises like ringing telephones, airplanes
>    flying by, trucks beeping as they back up, etc.

if there's audio you want at the same time, not likely

> 3: Separate different human voices into individual channels so they
>    can be controlled separately.

not likely

> 4: Separate background music into a separate channel, as with the voices
>    mentioned in #3.

nope

> #1 seems like the easiest job, doing something like those Bose headphones.
>    Not that what Bose does is trivial, but they operate on real-time
>    sound where this is previously-recorded sound, which should be easier.

No, the audio on the DVD already has the sound you want mixed with the
sound you don't want. This is HARDER.


-- 

Paul Winkler
http://www.slinkp.com